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11297923 = 713124153
BaseRepresentation
bin101011000110…
…010010000011
3210020222211121
4223012102003
510343013143
61042053111
7165013360
oct53062203
923228747
1011297923
11641732a
12394a197
132457580
141701467
15ed27ed
hexac6483

11297923 has 8 divisors (see below), whose sum is σ = 13905248. Its totient is φ = 8938944.

The previous prime is 11297917. The next prime is 11297929. The reversal of 11297923 is 32979211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11297917) and next prime (11297929).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11297923 - 213 = 11289731 is a prime.

It is a super-2 number, since 2×112979232 = 255286128227858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11297929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61986 + ... + 62167.

It is an arithmetic number, because the mean of its divisors is an integer number (1738156).

Almost surely, 211297923 is an apocalyptic number.

11297923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11297923 is a deficient number, since it is larger than the sum of its proper divisors (2607325).

11297923 is a wasteful number, since it uses less digits than its factorization.

11297923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124173.

The product of its digits is 6804, while the sum is 34.

The square root of 11297923 is about 3361.2383134791. The cubic root of 11297923 is about 224.3879530752.

The spelling of 11297923 in words is "eleven million, two hundred ninety-seven thousand, nine hundred twenty-three".

Divisors: 1 7 13 91 124153 869071 1613989 11297923